BR112016001245A2 - - Google Patents
Info
- Publication number
- BR112016001245A2 BR112016001245A2 BR112016001245A BR112016001245A BR112016001245A2 BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2 BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2
- Authority
- BR
- Brazil
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13177374 | 2013-07-22 | ||
EP13177374.9 | 2013-07-22 | ||
EP20130189339 EP2830333A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
EP13189339.8 | 2013-10-18 | ||
PCT/EP2014/065395 WO2015011014A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112016001245A2 true BR112016001245A2 (ko) | 2017-07-25 |
BR112016001245B1 BR112016001245B1 (pt) | 2022-06-21 |
Family
ID=48832794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112016001245-3A BR112016001245B1 (pt) | 2013-07-22 | 2014-07-17 | Descorrelacionador multicanal, decodificador de áudio multicanal, codificador de áudio multicanal e métodos |
Country Status (19)
Country | Link |
---|---|
US (6) | US11115770B2 (ko) |
EP (5) | EP2830334A1 (ko) |
JP (3) | JP6434013B2 (ko) |
KR (1) | KR101893410B1 (ko) |
CN (1) | CN105580390B (ko) |
AR (2) | AR097015A1 (ko) |
AU (2) | AU2014295206B2 (ko) |
BR (1) | BR112016001245B1 (ko) |
CA (1) | CA2919077C (ko) |
ES (3) | ES2924174T3 (ko) |
MX (3) | MX362548B (ko) |
MY (1) | MY178904A (ko) |
PL (1) | PL3025515T3 (ko) |
PT (1) | PT3025515T (ko) |
RU (1) | RU2666640C2 (ko) |
SG (1) | SG11201600491SA (ko) |
TW (1) | TWI587285B (ko) |
WO (1) | WO2015011014A1 (ko) |
ZA (1) | ZA201601047B (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2830334A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
WO2015036350A1 (en) * | 2013-09-12 | 2015-03-19 | Dolby International Ab | Audio decoding system and audio encoding system |
EP3611727B1 (en) * | 2015-03-03 | 2022-05-04 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
EP3067885A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
CN107886960B (zh) * | 2016-09-30 | 2020-12-01 | 华为技术有限公司 | 一种音频信号重建方法及装置 |
US10349196B2 (en) | 2016-10-03 | 2019-07-09 | Nokia Technologies Oy | Method of editing audio signals using separated objects and associated apparatus |
US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
CN109688497B (zh) * | 2017-10-18 | 2021-10-01 | 宏达国际电子股份有限公司 | 声音播放装置、方法及非暂态存储介质 |
EP3588988B1 (en) * | 2018-06-26 | 2021-02-17 | Nokia Technologies Oy | Selective presentation of ambient audio content for spatial audio presentation |
MX2021007109A (es) * | 2018-12-20 | 2021-08-11 | Ericsson Telefon Ab L M | Metodo y aparato para controlar el ocultamiento de perdida de tramas de audio multicanal. |
GB2582748A (en) * | 2019-03-27 | 2020-10-07 | Nokia Technologies Oy | Sound field related rendering |
GB2584630A (en) * | 2019-05-29 | 2020-12-16 | Nokia Technologies Oy | Audio processing |
EP3761672B1 (en) | 2019-07-02 | 2023-04-05 | Dolby International AB | Using metadata to aggregate signal processing operations |
KR20230001135A (ko) * | 2021-06-28 | 2023-01-04 | 네이버 주식회사 | 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 처리하는 컴퓨터 시스템 및 그의 방법 |
Family Cites Families (50)
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US20030014439A1 (en) * | 2001-06-20 | 2003-01-16 | International Business Machines Corporation | Defining a markup language representation for state chart data |
EP1914722B1 (en) * | 2004-03-01 | 2009-04-29 | Dolby Laboratories Licensing Corporation | Multichannel audio decoding |
WO2007109338A1 (en) * | 2006-03-21 | 2007-09-27 | Dolby Laboratories Licensing Corporation | Low bit rate audio encoding and decoding |
EP1735774B1 (en) * | 2004-04-05 | 2008-05-14 | Koninklijke Philips Electronics N.V. | Multi-channel encoder |
TWI393121B (zh) | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
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MX2007015118A (es) * | 2005-06-03 | 2008-02-14 | Dolby Lab Licensing Corp | Aparato y metodo para codificacion de senales de audio con instrucciones de decodificacion. |
US8626503B2 (en) | 2005-07-14 | 2014-01-07 | Erik Gosuinus Petrus Schuijers | Audio encoding and decoding |
JP4650343B2 (ja) | 2005-07-15 | 2011-03-16 | セイコーエプソン株式会社 | 電気光学装置及び電子機器 |
KR20070025905A (ko) | 2005-08-30 | 2007-03-08 | 엘지전자 주식회사 | 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 |
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WO2007043388A1 (ja) * | 2005-10-07 | 2007-04-19 | Matsushita Electric Industrial Co., Ltd. | 音響信号処理装置および音響信号処理方法 |
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KR101218776B1 (ko) | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
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KR100773560B1 (ko) * | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
ATE538604T1 (de) | 2006-03-28 | 2012-01-15 | Ericsson Telefon Ab L M | Verfahren und anordnung für einen decoder für mehrkanal-surroundton |
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CN101529504B (zh) * | 2006-10-16 | 2012-08-22 | 弗劳恩霍夫应用研究促进协会 | 多通道参数转换的装置和方法 |
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CN101816191B (zh) * | 2007-09-26 | 2014-09-17 | 弗劳恩霍夫应用研究促进协会 | 用于提取环境信号的装置和方法 |
ES2461601T3 (es) | 2007-10-09 | 2014-05-20 | Koninklijke Philips N.V. | Procedimiento y aparato para generar una señal de audio binaural |
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US8391498B2 (en) | 2008-02-14 | 2013-03-05 | Dolby Laboratories Licensing Corporation | Stereophonic widening |
US8583424B2 (en) | 2008-06-26 | 2013-11-12 | France Telecom | Spatial synthesis of multichannel audio signals |
EP2144229A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
EP2175670A1 (en) | 2008-10-07 | 2010-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Binaural rendering of a multi-channel audio signal |
PL2394268T3 (pl) | 2009-04-08 | 2014-06-30 | Fraunhofer Ges Forschung | Urządzenie, sposób i program komputerowy do realizacji upmixu sygnału audio downmixu z użyciem wygładzania wartości faz |
EP2420050B1 (en) * | 2009-04-15 | 2013-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multichannel echo canceller |
EP2446435B1 (en) | 2009-06-24 | 2013-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages |
EP2285139B1 (en) | 2009-06-25 | 2018-08-08 | Harpex Ltd. | Device and method for converting spatial audio signal |
WO2011013381A1 (ja) * | 2009-07-31 | 2011-02-03 | パナソニック株式会社 | 符号化装置および復号装置 |
TWI433137B (zh) | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
JP5604933B2 (ja) | 2010-03-30 | 2014-10-15 | 富士通株式会社 | ダウンミクス装置およびダウンミクス方法 |
CN103069481B (zh) * | 2010-07-20 | 2014-11-05 | 华为技术有限公司 | 音频信号合成器 |
EP2609591B1 (en) * | 2010-08-25 | 2016-06-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for generating a decorrelated signal using transmitted phase information |
CN103890841B (zh) * | 2011-11-01 | 2017-10-17 | 皇家飞利浦有限公司 | 音频对象编码和解码 |
KR101729930B1 (ko) * | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
EP2830334A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
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2013
- 2013-10-18 EP EP20130189345 patent/EP2830334A1/en not_active Withdrawn
- 2013-10-18 EP EP20130189339 patent/EP2830333A1/en not_active Withdrawn
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2014
- 2014-07-17 EP EP18178666.6A patent/EP3419315B1/en active Active
- 2014-07-17 AU AU2014295206A patent/AU2014295206B2/en active Active
- 2014-07-17 EP EP14741278.7A patent/EP3025515B1/en active Active
- 2014-07-17 WO PCT/EP2014/065395 patent/WO2015011014A1/en active Application Filing
- 2014-07-17 MY MYPI2016000117A patent/MY178904A/en unknown
- 2014-07-17 PT PT14741278T patent/PT3025515T/pt unknown
- 2014-07-17 JP JP2016528442A patent/JP6434013B2/ja active Active
- 2014-07-17 MX MX2016000915A patent/MX362548B/es active IP Right Grant
- 2014-07-17 RU RU2016105468A patent/RU2666640C2/ru active
- 2014-07-17 PL PL14741278T patent/PL3025515T3/pl unknown
- 2014-07-17 BR BR112016001245-3A patent/BR112016001245B1/pt active IP Right Grant
- 2014-07-17 EP EP18178664.1A patent/EP3419314B1/en active Active
- 2014-07-17 CN CN201480052100.7A patent/CN105580390B/zh active Active
- 2014-07-17 ES ES18178666T patent/ES2924174T3/es active Active
- 2014-07-17 KR KR1020167004501A patent/KR101893410B1/ko active IP Right Grant
- 2014-07-17 CA CA2919077A patent/CA2919077C/en active Active
- 2014-07-17 ES ES18178664T patent/ES2925038T3/es active Active
- 2014-07-17 SG SG11201600491SA patent/SG11201600491SA/en unknown
- 2014-07-17 ES ES14741278T patent/ES2725427T3/es active Active
- 2014-07-21 TW TW103124969A patent/TWI587285B/zh active
- 2014-07-22 AR ARP140102719A patent/AR097015A1/es active IP Right Grant
- 2014-07-22 AR ARP140102718A patent/AR097014A1/es active IP Right Grant
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2016
- 2016-01-21 MX MX2018012892A patent/MX2018012892A/es unknown
- 2016-01-21 MX MX2018012891A patent/MX2018012891A/es unknown
- 2016-01-22 US US15/004,738 patent/US11115770B2/en active Active
- 2016-02-16 ZA ZA2016/01047A patent/ZA201601047B/en unknown
- 2016-04-25 US US15/138,168 patent/US11381925B2/en active Active
- 2016-04-25 US US15/138,160 patent/US11240619B2/en active Active
- 2016-04-25 US US15/138,176 patent/US10448185B2/en active Active
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2017
- 2017-10-20 AU AU2017248532A patent/AU2017248532B2/en active Active
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2018
- 2018-07-23 JP JP2018137637A patent/JP6687683B2/ja active Active
- 2018-12-20 US US16/228,257 patent/US11252523B2/en active Active
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2020
- 2020-04-02 JP JP2020066343A patent/JP7000488B2/ja active Active
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2021
- 2021-08-27 US US17/459,904 patent/US20220167102A1/en active Pending
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B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/07/2014, OBSERVADAS AS CONDICOES LEGAIS |